#include<bits/stdc++.h>
#define XH(i,a,b) for(int i=a;i<b;++i)
#define XXH(i,a,b) for(int i=a-1;i>=b;--i)
#define LL long long
using namespace std;
int tmpINT; string tmpSTRING; char tmpCHAR; double tmpDOUBLE; LL tmpLONGLONG;

void solve(){
  //string ans;
	cin>>tmpSTRING;
	ans = tmpSTRING;
	for (int i = 0; i < (int)tmpSTRING.size(); ++i)
	{
		if(i%2){
			ans[i] = tmpSTRING[i] == 'z'?'y':'z';
		}else{
			ans[i] = tmpSTRING[i] == 'a'?'b':'a';
		}
	}
	cout<<ans<<endl;
}

int main(){
	int t;cin>>t;
	XH(i , 0 , t){
		solve();
	}
	
	return 0;
}
